The vehicle has a malfunction on the rear cross traffic, blind spot monitor and possible adaptive cruise control - at only 30 miles.
2018 Toyota Sequoia electrical problems
moderate 7 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
Complaints
7
Recalls
0
Avg fix
$850
When does it fail?
Of the 7 electrical complaints filed for the 2018 Toyota Sequoia, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
No new NHTSA electrical complaint has been filed on this vehicle in over 8 years — the issue may be aging out of the active population.
What owners are reporting 7 most recent
Issue: safety features failing at less than 500 miles problem statement: at less than 500 miles the safety sensors ( collision prevention, cruise control adaptable speed, rear cross traffic, blind spot monitor ) are failing repeatedly. Dealer has contacted Toyota for support. No eta at present.
I am having a recurrent problem with my 2018 sequoia in that I am consistently getting warning lights and alarms going off for 'brake warning,' rear cross traffic alert, 'blind spot monitor malfunction' and 'front camera malfunction.' it has been in the shop 5 times and they keep saying there are computer gliches and keepnupdating the software over and over again. Toyota sent down a tech from…
The contact owns a 2018 Toyota Sequoia. The contact stated while driving at 55 mph, the lane departure and rear cross passing warning light illuminated and the vehicle failed to turn off. The contact took the vehicle to the local dealer to inspect the vehicle however, the mechanic was unable to duplicate the failure. Several months later, the failure recurred. The contact took the vehicle back to…
Blind spot monitor malfunction. Rear traffic alert malfunction. Pre collision warning system malfunction. This has been happening since odometer reading of 312 miles. Told by Toyota that a recall was issued and a software update would remedy this. Went today 3/21/18 to have update installed. Within 25 miles of leaving the dealership the warnings and malfunctions we're back on. The software…
Tl* the contact owns a 2018 Toyota sequoia. On several occasions, when the vehicle was started, the adaptive collision warning sensor illuminated. The contact stated that the vehicle was turned off and back on, and the vehicle would reset itself. The failure recurred several times. On several occasions, while driving various speeds with no other vehicles ahead, the auto braking feature…
I purchased this vehicle new from mark miller Toyota on fri dec 29th, left the dealership at 12:10pm with 39 miles on it. Ran a few errands and showed my friends, we went to leave after eating some food and at 45 miles in my odo I got 2 error messages. "blind spot monitor malfunction, visit your dealer" and "rear cross traffic alert malfunction, visit your dealer". I had only put 6 miles on this…
Had electrical trouble with your 2018 Toyota Sequoia?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the electrical problem on the 2018 Toyota Sequoia?
It's a documented issue but not catastrophic. 7 complaints have been filed. Repairs average $850 and most owners catch it before it causes a breakdown.
At what mileage does the electrical typically fail?
Based on the 7 complaints filed, electrical issues most often appear around 16,790 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2018/Toyota/Sequoia.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.